Paper tray



FIG. 1 is perspective view of a paper tray embodying our design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevational view thereof, the left side view being identical thereto; and,

FIG. 5 is a front view thereof, the rear view being identical thereto. 

The ornamental design of a paper tray, as shown and described. 